General

  • Target

    Halkbank_Ekstre_20231127_093256_734631.pdf.exe

  • Size

    719KB

  • Sample

    231127-mlck1afh7y

  • MD5

    1fd9b5970fe58960b6e8281f85bf3442

  • SHA1

    55fcb090bf4e9df3d09d0ac32389aa66ffddb971

  • SHA256

    1252485e3acb973a1f93ec7881af10d0c8429c540f3a603df73d446b8dc5f19d

  • SHA512

    2ebb280c5a353ff9c9984d0f7232910359c01813add76f19e586e7fb1427a1488c07786bdd1824c0ed1fdae44a90080ae0e7e3720a6672eb677bf592e44eed21

  • SSDEEP

    12288:8ti1KYlsZbjzAliCK44/ZxEdQv+DZbOgZByxt0IQOuaFv2GI195d7BR6wTtE6jD6:8M4bjsACK/ZxOVOgzyxtfQ5aAGYfpBhJ

Malware Config

Targets

    • Target

      Halkbank_Ekstre_20231127_093256_734631.pdf.exe

    • Size

      719KB

    • MD5

      1fd9b5970fe58960b6e8281f85bf3442

    • SHA1

      55fcb090bf4e9df3d09d0ac32389aa66ffddb971

    • SHA256

      1252485e3acb973a1f93ec7881af10d0c8429c540f3a603df73d446b8dc5f19d

    • SHA512

      2ebb280c5a353ff9c9984d0f7232910359c01813add76f19e586e7fb1427a1488c07786bdd1824c0ed1fdae44a90080ae0e7e3720a6672eb677bf592e44eed21

    • SSDEEP

      12288:8ti1KYlsZbjzAliCK44/ZxEdQv+DZbOgZByxt0IQOuaFv2GI195d7BR6wTtE6jD6:8M4bjsACK/ZxOVOgzyxtfQ5aAGYfpBhJ

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks